// 1px边框，可根据不同手机的dpi(相素比：devicePixelRatio)进行缩放
@media (-webkit-max-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
.border-1px
  &::after
    -webkit-transform : scaleY(0.7)
    transform : scaleY(0.7)

@media (-webkit-max-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
.border-1px
  &::after
    -webkit-transform : scaleY(0.5)
    transform : scaleY(0.5)

// 定义全体样式
body, html
  line-height: 1
  font-weight: 200
  font-family: 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', Arial, sans-serif
// 清楚浮动
.clearfix
  display : inline-block
  &::after
    content: "."
    height: 0
    line-height: 0
    clear: both
    visibility: hidden
